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document.writeln("        <ul id=\'nav\'>");
document.writeln("            <li class=\'list\'>");
document.writeln("                <a href=\'index.html\'>");
document.writeln("                    <i class=\'iconfont\'>&#xe761;</i>");
document.writeln("                    信息汇总");
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document.writeln("                    <i class=\'iconfont\'>&#xe70b;</i>");
document.writeln("                    会员管理");
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document.writeln("                    <li>");
document.writeln("                        <a href=\'member-list.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            会员列表");
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document.writeln("                            等级管理");
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document.writeln("                    <li>");
document.writeln("                        <a href=\'member-view.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            浏览记录");
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document.writeln("            <li class=\'list\'>");
document.writeln("                <a href=\'javascript:;\'>");
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document.writeln("                    分类管理");
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document.writeln("                <ul class=\'sub-menu\'>");
document.writeln("                    <li>");
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document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            分类列表");
document.writeln("                        </a>");
document.writeln("                    </li>");
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document.writeln("            <li class=\'list\'>");
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document.writeln("                    <i class=\'iconfont\'>&#xe6a3;</i>");
document.writeln("                    轮播管理");
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document.writeln("                        <a href=\'banner-list.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            轮播列表");
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document.writeln("                </ul>");
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document.writeln("            <li class=\'list\'>");
document.writeln("                <a href=\'javascript:;\'>");
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document.writeln("                    综合统计");
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document.writeln("                    <li class=\'current\'>");
document.writeln("                        <a href=\'echarts1.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            折线图");
document.writeln("                        </a>");
document.writeln("                    </li>");
document.writeln("                    <li>");
document.writeln("                        <a href=\'echarts2.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            柱状图");
document.writeln("                        </a>");
document.writeln("                    </li>");
document.writeln("                    <li>");
document.writeln("                        <a href=\'echarts4.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            饼图");
document.writeln("                        </a>");
document.writeln("                    </li>");
document.writeln("                    <li>");
document.writeln("                        <a href=\'echarts5.html\'>");
document.writeln("                            <i class=\'iconfont\'>&#xe6a7;</i>");
document.writeln("                            k线图");
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document.writeln("                    </li>");
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